i have a stock engine with no major modification other than a straight pipe exhaust i actually did the modification as a solution to my problem my car revs fine IE there is no misfire or sputtering while revving up but the car doesn't seem to have the pull for a V8.i have changed the maf sensor ,vvti sensor,fuel pump,throtle body,plugs and even the gear still it doesn't seem to have fix my problem . the car seems fine at cold start but once it gets warmed up the issue occurs. the car lacks power basically on full foot down on gas pedal,but after a while its fine basically the car lacks pull My car has 137000 miles. My car has an automatic transmission. i have changed the fuel filter as well as the fuel pump and no check engine lights.please help me with the issue
Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing